[PATCH 1/2] python/semanage module: Fix handling of -a/-e/-d/-r options

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Previous code traceback-ed when one of the mentioned option was used without
any argument as this state was not handled by the argument parser.

action='store' stores arguments as a list while the original
action='store_const' used str therefore the particular interfaces in
moduleRecords are changed to be compatible with both.

Fixes:
^_^ semanage module -a
Traceback (most recent call last):
  File "/usr/sbin/semanage", line 963, in <module>
    do_parser()
  File "/usr/sbin/semanage", line 942, in do_parser
    args.func(args)
  File "/usr/sbin/semanage", line 608, in handleModule
    OBJECT.add(args.module_name, args.priority)
  File "/usr/lib/python3.7/site-packages/seobject.py", line 402, in add
    if not os.path.exists(file):
  File "/usr/lib64/python3.7/genericpath.py", line 19, in exists
    os.stat(path)
TypeError: stat: path should be string, bytes, os.PathLike or integer, not NoneType

Signed-off-by: Petr Lautrbach <plautrba@xxxxxxxxxx>
---
 python/semanage/semanage    | 25 ++++++++++++-------------
 python/semanage/seobject.py | 10 ++++++++--
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/python/semanage/semanage b/python/semanage/semanage
index 6afeac14..9b737fa8 100644
--- a/python/semanage/semanage
+++ b/python/semanage/semanage
@@ -609,14 +609,14 @@ def setupInterfaceParser(subparsers):
 
 def handleModule(args):
     OBJECT = seobject.moduleRecords(args)
-    if args.action == "add":
-        OBJECT.add(args.module_name, args.priority)
-    if args.action == "enable":
-        OBJECT.set_enabled(args.module_name, True)
-    if args.action == "disable":
-        OBJECT.set_enabled(args.module_name, False)
-    if args.action == "remove":
-        OBJECT.delete(args.module_name, args.priority)
+    if args.action_add:
+        OBJECT.add(args.action_add, args.priority)
+    if args.action_enable:
+        OBJECT.set_enabled(args.action_enable, True)
+    if args.action_disable:
+        OBJECT.set_enabled(args.action_disable, False)
+    if args.action_remove:
+        OBJECT.delete(args.action_remove, args.priority)
     if args.action == "deleteall":
         OBJECT.deleteall()
     if args.action == "list":
@@ -635,14 +635,13 @@ def setupModuleParser(subparsers):
     parser_add_priority(moduleParser, "module")
 
     mgroup = moduleParser.add_mutually_exclusive_group(required=True)
-    parser_add_add(mgroup, "module")
     parser_add_list(mgroup, "module")
     parser_add_extract(mgroup, "module")
     parser_add_deleteall(mgroup, "module")
-    mgroup.add_argument('-r', '--remove', dest='action', action='store_const', const='remove', help=_("Remove a module"))
-    mgroup.add_argument('-d', '--disable', dest='action', action='store_const', const='disable', help=_("Disable a module"))
-    mgroup.add_argument('-e', '--enable', dest='action', action='store_const', const='enable', help=_("Enable a module"))
-    moduleParser.add_argument('module_name', nargs='?', default=None, help=_('Name of the module to act on'))
+    mgroup.add_argument('-a', '--add', dest='action_add', action='store', nargs=1, metavar='module_name', help=_("Add a module"))
+    mgroup.add_argument('-r', '--remove', dest='action_remove', action='store', nargs='+', metavar='module_name', help=_("Remove a module"))
+    mgroup.add_argument('-d', '--disable', dest='action_disable', action='store', nargs='+', metavar='module_name', help=_("Disable a module"))
+    mgroup.add_argument('-e', '--enable', dest='action_enable', action='store', nargs='+', metavar='module_name', help=_("Enable a module"))
     moduleParser.set_defaults(func=handleModule)
 
 
diff --git a/python/semanage/seobject.py b/python/semanage/seobject.py
index 556d3ba5..cd2d3457 100644
--- a/python/semanage/seobject.py
+++ b/python/semanage/seobject.py
@@ -401,6 +401,8 @@ class moduleRecords(semanageRecords):
             print("%-25s %-9s %-5s %s" % (t[0], t[2], t[3], disabled))
 
     def add(self, file, priority):
+        if type(file) == list:
+            file = file[0]
         if not os.path.exists(file):
             raise ValueError(_("Module does not exist: %s ") % file)
 
@@ -413,7 +415,9 @@ class moduleRecords(semanageRecords):
             self.commit()
 
     def set_enabled(self, module, enable):
-        for m in module.split():
+        if type(module) == str:
+            module = module.split()
+        for m in module:
             rc, key = semanage_module_key_create(self.sh)
             if rc < 0:
                 raise ValueError(_("Could not create module key"))
@@ -435,7 +439,9 @@ class moduleRecords(semanageRecords):
         if rc < 0:
             raise ValueError(_("Invalid priority %d (needs to be between 1 and 999)") % priority)
 
-        for m in module.split():
+        if type(module) == str:
+            module = module.split()
+        for m in module:
             rc = semanage_module_remove(self.sh, m)
             if rc < 0 and rc != -2:
                 raise ValueError(_("Could not remove module %s (remove failed)") % m)
-- 
2.20.1




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